La Crosse Technology, Ltd. Page 3
• PLACE TRANSMITTER OUTSIDE: For optimum 433MHz transmission, place the outdoor
transmitter a distance of no more than 200 feet (60 meters, open air) from the Wireless
Thermometer.
• See the section on mounting and distance/resistance/interference for details on
mounting the outdoor transmitter.
Outdoor Temperature Transmitter
Compatible Outdoor Transmitters
• A TX141-B outdoor transmitter comes packaged with this Wireless Thermometer.
• The TX141-B and TX141-A (433MHz) transmitters are compatible with this Wireless
Thermometer.
Outdoor Temperature Signal Strength
• The Wireless Thermometer will search for the outdoor temperature transmitter for 3
minutes.
• The antenna symbol will flash during reception, and temperature display will be dashes
“---“.
• If synchronization fails once, the antenna will lose one bar.
• If synchronization fails twice, the antenna will lose two bars.
• If RF (radio frequency) reception fails five times, the antenna symbol will show without
bars.
• The antenna will show full display with successful RF (radio frequency) reception.
Dashes shown for Outdoor Temperature
• Dashes mean the connection is lost between the Wireless Thermometer and the
outdoor transmitter.
• Batteries often resolve the connection.
• Distance/Resistance can cause loss of connection between the transmitter and the
Wireless Thermometer.
• Reorientation of the Wireless Thermometer 90 degrees towards the outdoor
transmitter may provide better reception. This allows more antenna surface to face the
transmitter signal.
• Try the factory restart.
Power requirements
• 2-AA batteries power the outdoor transmitter.
• We recommend alkaline batteries for the transmitter.
• You may choose to use lithium batteries for temperatures below - 20°F/-28.8°C.
Outdoor Temperature changes constantly
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